Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Oct
Tue
21 Oct
Wed
22 Oct
Thu
23 Oct
Fri
24 Oct
Sat
25 Oct
Sun
26 Oct
Gannan Prefecture Air quality rank
Real-time AQI (Monitoring Station in Gannan Prefecture)
监测站
4330
PM2.5
37
PM10
20
O3
0.7
CO
3
SO2
23
NO2
甘肃民族师范学院
3927
PM2.5
32
PM10
27
O3
0.5
CO
4
SO2
17
NO2
Air quality in the last 12 months (Gannan Prefecture)
|
2025/08
|
34
|
30
|
32
|
14
|
20
|
23
|
22
|
18
|
20
|
25
|
34
|
30
|
30
|
42
|
37
|
42
|
37
|
33
|
19
|
27
|
16
|
17
|
20
|
35
|
29
|
19
|
12
|
14
|
25
|
39
|
41
|
|
2025/07
|
43
|
34
|
30
|
25
|
29
|
23
|
33
|
39
|
40
|
41
|
36
|
30
|
39
|
43
|
35
|
48
|
50
|
26
|
59
|
22
|
24
|
30
|
36
|
24
|
23
|
30
|
45
|
39
|
27
|
32
|
38
|
|
2025/06
|
22
|
27
|
24
|
33
|
51
|
46
|
38
|
44
|
22
|
37
|
46
|
41
|
44
|
30
|
48
|
50
|
53
|
34
|
32
|
43
|
40
|
21
|
35
|
21
|
25
|
36
|
33
|
39
|
42
|
29
|
|
|
2025/05
|
46
|
84
|
148
|
73
|
47
|
55
|
80
|
77
|
50
|
41
|
40
|
50
|
53
|
32
|
24
|
51
|
42
|
53
|
53
|
45
|
47
|
61
|
59
|
46
|
35
|
47
|
35
|
43
|
42
|
73
|
57
|
|
2025/04
|
76
|
80
|
75
|
87
|
83
|
62
|
48
|
90
|
83
|
76
|
68
|
55
|
56
|
61
|
61
|
73
|
61
|
121
|
88
|
71
|
81
|
61
|
46
|
48
|
44
|
27
|
35
|
54
|
50
|
59
|
|
|
2025/03
|
55
|
49
|
50
|
44
|
42
|
50
|
83
|
59
|
52
|
53
|
86
|
102
|
44
|
37
|
44
|
37
|
39
|
49
|
59
|
57
|
47
|
50
|
60
|
49
|
45
|
135
|
163
|
60
|
69
|
83
|
81
|
|
2025/02
|
37
|
39
|
32
|
34
|
51
|
50
|
53
|
50
|
49
|
52
|
65
|
69
|
56
|
58
|
48
|
46
|
39
|
40
|
52
|
47
|
48
|
34
|
43
|
43
|
47
|
46
|
47
|
40
|
|||
|
2025/01
|
56
|
58
|
48
|
56
|
40
|
57
|
55
|
63
|
63
|
64
|
44
|
48
|
45
|
53
|
65
|
43
|
50
|
49
|
46
|
47
|
49
|
59
|
60
|
61
|
59
|
55
|
27
|
32
|
89
|
42
|
35
|
|
2024/12
|
41
|
44
|
47
|
45
|
40
|
43
|
40
|
40
|
37
|
37
|
38
|
36
|
33
|
29
|
32
|
29
|
26
|
31
|
53
|
54
|
61
|
69
|
65
|
75
|
66
|
54
|
63
|
58
|
52
|
41
|
51
|
|
2024/11
|
25
|
26
|
28
|
28
|
29
|
30
|
29
|
34
|
29
|
24
|
32
|
22
|
33
|
27
|
28
|
17
|
20
|
32
|
26
|
19
|
24
|
20
|
26
|
29
|
36
|
37
|
40
|
41
|
33
|
39
|
|
|
2024/10
|
20
|
33
|
35
|
35
|
34
|
29
|
28
|
31
|
27
|
19
|
26
|
26
|
28
|
27
|
29
|
19
|
21
|
26
|
21
|
25
|
32
|
32
|
31
|
35
|
30
|
22
|
30
|
30
|
28
|
21
|
16
|
|
2024/09
|
31
|
26
|
28
|
18
|
16
|
19
|
20
|
32
|
16
|
18
|
21
|
23
|
13
|
15
|
19
|
16
|
23
|
21
|
23
|
17
|
18
|
27
|
35
|
36
|
38
|
39
|
43
|
41
|
22
|
18
|
|
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
*: primary pollution